Hawley c



` HTG. WHITE.

STEREOSCOPE.

(No Model.)

Patented'ot. 15, 1895;

PIE' E UNITED STATES,-y

.PATENT OFFICE.

HAWLEY'O. WHITE, OF NORTH BENNINGTON, VERMONT, ASSIGNOR TO THE H. C.WHITE COMPANY.

sTEREosc'oPE.

SPECIFICATION forming part of Letters Patent No. 548,149, dated October15, 1895.

' Application nea May 27,1895. sean No. 550,776. (No model.)

To aZZ whom t may concern-f Be it known that I, HAWLEY C. WHITE, acitizen of theUnited States, residing at the village of NorthBennington, in the county of Bennington and State of Vermont, haveinvented certain new and useful Improvements in Stereoscopes, of whichthe subjoined description, in connection with the accompanying drawings,constitutes a specification.

The invention relates to the construction of the several parts of thecommon hand-stereoscope, and constitutes an improvement in the method ofmaking and putting together the several parts, whereby a more convenientand durable scope is produced.

The drawings illustrate the invention, wherein-h Figure l shows a frontelevation of a stereoscope, and Fig. 2 an under plan of the same object.

As scopes have heretofore been constructed the front end of the shafthas been cut off flush with the front side of the lens-frame and thehood has been carried around only to the edge of the broad part of theshaft, so that there was a considerable opening on each side of the noseof the observer for the admission of light to the eyes from below, whichwould interfere with perfect vision. I have devised several varieties ofhood to obviate this interference of light from below, of which this isone.

In this structure the shaft, which is shown at D, extends forward of theface of the lensframe A, and its edges are rabbeted, as at H, for thereception of the inner edge of the hood B, where it meets the shaft; orin place of the rabbet H the edges of the shaft could be grooved to takein the ends of the hood, which expedient I regard as the equivalent ofthe rabbet shown. The shaft is attached to the lens-f rame by the screwsor nails E E, and the hood to the lens-frame by the nails O C. The

edge of the hood and end of the shaft are shaft across the lens-frame,as shown, and holding the ends of the hood in rabbets or grooves, a muchfirmer structure is obtained, and the hood is held from curling orwarping out of shape-a thing it is liable to do, as it is generally madeup of veneers transversely laid up in glue. It is possible to make amuch more symmetrical nose-gap F in the en-d of the shaft than it iswhere the shaft stops at the face of the lens-frame, and the ends of thehood are carried around so as to nearly meet in the center of the frame.The forward part of the shaft constitutes'in effect a part of the hoodcompleting the dark chamber.

I therefore claim as my inventionl. A stereoscope consisting of alensframe, a shaft attached thereto which extends forward of the saidframe and is recessed to t closely the nose and cheeks and a hood whichextends around the said frame to the sides of the said shaft, and issupported thereby, the front part of the said shaft being practically apart of the said hood, the said hood being also provided with extensionsfor fitting against the temples, to combine with the said recessed shaftin forming a dark chamber substantially as set forth.

2. A stereoscope consisting of a lens frame, a shaft attached theretowhich extends forward of the said frame and is recessed to it closelythe nose and cheeks and a hood which extends around the said frame tothe sides of the said shaft, and is supported thereby malring the latterpractically a part of the said hood substantially as set forth.

The described improvement in stereoscopes consisting of a lens-frame, ashaft extending forward of the said frame and a hood extending aroundthe said frame to the sides of the said shaft and supported thereby, thefront edges of the hood and the front end of the shaft being out to fitthe shape of the face of the observer substantially as set forth.

4. The described improvement in stereoscopes consisting of a shaft withrabbeted edges for the receptionof the ends of the hood, a lens-framemounted upon said shaft sufficiently in the rear of its front end to alv10W the ends of the hood to engage with the In witness whereof I havehereto subrabbeted edges of the shaft, and a hood oonscribed my namethis 23d day of May, A. D. nected with the lens-frame and shaft sub-1895.

stantially as shown, the front edges of the I-IAVVLEY C. WHITE. hood andthe front end of the shaft being cut Witnesses:

to t; the shape of the face of the observer, FRANKLIN SCOTT,

substantially as specified. d EMILY SCOTT.

